Welsh Welsh Conservative leader Andrew RT Davies explains to our Political Editor Adrian Masters what their new policy means.
He says the 11-plus is "divisive", and instead "14 is a far better time to make choices - and I use the word choices, rather than selection - so that people when they come out of school, have the qualifications that are fit for the 21st century."
The Welsh Conservatives have proposed a return to a grammar school-style system, where pupils are separated into two streams - academic and vocational - at the age of 14.
More top news
From pensioners to first-time buyers to public sector workers, a rundown of how today's Autumn Statement and Spending Review affect you.
Patchy, light rain and drizzle will continue this afternoon. Brightening from the west later. A mild and dry night to come.
With the Welsh Government expecting major reductions to its spending budget, those working in education are concerned.